Seiko Cal. 4437 - 538

This Automatic model from 1973 features a 45mm PVD Black case. Powered by the 4437 caliber with 30j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-06e64cb52c73]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1973

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